{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment.Freq", "Treatment.Drug", "Treatment.Dosage", "Subject.Gender", "Combination.Drug", "Treatment.Route", "Subject.Population", "Subject.Age", "Subject", "Treatment.Time_elapsed", "Subject.Disorder", "Treatment", "Effect", "Treatment.Duration", "Treatment.Disorder"]}], "input": "The patient's clinical presentation, histologic features on liver biopsy and favorable course after stopping the drug suggest that barbiturates can be added to the list of agents which can cause submassive hepatic necrosis."}
{"potential therapeutic event": []}